which statement describes a catalyst?\ncatalysts appear as reactants in a chemical equation.\ncatalysts are…
which statement describes a catalyst?\ncatalysts appear as reactants in a chemical equation.\ncatalysts are completely consumed by the reaction.\ncatalysts provide a lower energy pathway for the reaction.\ncatalysts speed up chemical reactions by increasing surface area.
Answer
Brief Explanations:
A catalyst is a substance that increases the rate of a chemical reaction by providing an alternative lower - energy pathway for the reaction. Catalysts do not appear as reactants in the overall chemical equation (they are not consumed in the reaction), and while increasing surface area can speed up some reactions, this is not the defining characteristic of a catalyst.
Answer:
Catalysts provide a lower energy pathway for the reaction.